3.3 Multi-CPU Functions
Sub CPU Synchronization
3-100
Connecting the MPE720
You can simultaneously connect up to two PCs running the MPE720 directly to a Sub CPU Unit.
If you connect the MPE720 to Sub CPU Units through the Main CPU Unit, the MPE720 can successfully
communicate with up to two Sub CPU Units at the same time. The MPE720 can actually communicate
with up to five Sub CPU Units, but communications may become very slow. If you try to communicate
with six or more Sub CPU Units, communications error may occur.
The following figure illustrates this feature.
Refer to the following manual for the connection procedure between the MPE720 and a Sub CPU Unit.
MPE720 Version 7 System Integrated Engineering Tool for MP2000/MP3000 Series Machine Controller User’s Manual
(Manual No.: SIEP C880761 03)
Main CPU Unit
Sub CPU Unit
MPE720
MPE720
Recommended
Connecting the MPE720 Directly to a Sub CPU Unit
MPE720
MPE720
Main CPU Unit
Hub
Sub CPU Unit
MPE720MPE720
MPE720
MPE720
MPE720
The MPE720 is
connected to the Sub
CPU Unit through the
Main CPU Unit.
Main CPU Unit
Sub CPU Unit
The MPE720 is
connected to the Sub
CPU Unit through the
Main CPU Unit.
Recommended
Not
Recommended
Connecting the MPE720 to a Sub CPU Unit through the Main CPU Unit
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